ribs outline

Question 1

what is the thoracic cage composed of?

Answer 1

ribs
costal cartilage
sternum
thoracic vertebrae

Question 2

what is the functions of thoracic cage?

Answer 2

protection and support

assists with respiration

Question 3

what rib pairs are the true ribs?

Answer 3

rib pairs 1-7

direct attachment to sternum

Question 4

what rib pairs are the false ribs?

Answer 4

rib pairs 8-12

indirect attachment to sternum

Question 5

what are the floating rib pairs?

Answer 5

11 and 12

no attachment to the sternum

Question 6

what rib pairs are the TYPICAL ribs?

Answer 6

rib pairs 3-9

Question 7

each of the typical ribs can be divided into what four regions?

Answer 7

head
neck
tubercle
body

Question 8

what is known as the capitulum costae?

Answer 8

head

Question 9

what articular facet of the typical ribs would articulate with the inferior costal demi-facet of a thoracic vertebra?

Answer 9

superior articular facet

Question 10

which articular facet of the typical ribs, articulates with the superior costal demi-facet of a thoracic vertebra?

Answer 10

inferior articular facet

Question 11

on a typical rib, what is the body ridge found between the superior and inferior articular facets?

Answer 11

interarticular crest
(ligament attachment site)

Question 12

what is known as the collum costae?

Answer 12

Neck

Question 13

on the neck of a typical rib, what is the ridge on the superior surface?

Answer 13

Crest

Question 14

on the tubercle of a typical rib there is an articular facet that articulates where?

Answer 14

articulates with the transverse costal facet of the thoracic vertebra

Question 15

what is the positioning of the articular facet of the typical rib tubercle?

Answer 15

positioned more inferiorly and proximally on the bone

Question 16

on the tubercle on a typical rib, what is the site of ligamentous attachement between the rib and the transverse process of the thoracic vertebra?

Answer 16

non-articular surface

Question 17

what is the positioning of the non-articular surface on the tubercle of a typical rib?

Answer 17

positioned more superiorly and distally on the bone

Question 18

what three things comprise the body of a typical rib?

Answer 18

costal angle
costal groove
costal cartilage surface

Question 19

on the body of a typical rib, what is located on the inferior deep border of the rib?

Answer 19

costal groove

Question 20

the costal cartilage surface is the attachment site for what?

Answer 20

costal cartilage….

a tad bit obvious

Question 21

on the body of a typical rib, where is the costal cartilage surface located?

Answer 21

distal end of corpus

Question 22

what are the atypical rib pairs?

Answer 22

1,2,10,11,12

Question 23

what are the components of the first rib?

Answer 23

head
neck
body

Question 24

what is the articular facet of the first rib head for?

Answer 24

for articulation with the superior costal facet of T1

Question 25

the neck of of the first rib has no?

Answer 25

distinctive crest

Question 26

the body of the first rib has what three things?

Answer 26

groove for the subclavian artery scalene tubercle groove for the subclavian vein

Question 27

where is the groove for the subclavian artery on the body of the first rib?

Answer 27

proximal to the scalene tubercle

Question 28

where is the scalene tubercle on the body of the first rib?

Answer 28

roughened elevation, on the inner border of the superior surface

Question 29

where is the groove for the subclavian vein on the body of the first rib?

Answer 29

distal to the scalene tubercle

Question 30

the body of the first rib has no costal ______ and no costal _______.

Answer 30

no costal angle | no costal groove

Question 31

where is the tuberosity for the serratus anterior?

Answer 31

the roughened area, on the outer edge of the superior surface of the second rib's body

Question 32

which rib has a variable head that has either one or two articular facets?

Answer 32

tenth rib | articular facet of tubercle may be missing

Question 33

the head of the eleventh rib has a single?

Answer 33

articular facet

Question 34

the neck and tubercle are absent on what ribs?

Answer 34

11th and 12th

Question 35

what rib has a slight costal angle, the costal groove may be absent or very shallow, and costal cartilage surface is absent?

Answer 35

11th rib

Question 36

the head of the twelfth rib has?

Answer 36

a single articular facet

Question 37

describe the body of the twelfth rib?

Answer 37

no costal angle no costal groove no costal cartilage surface

Question 38

the sternum is divided into what sections?

Answer 38

manubrium sterni (presternum) Body (gladious or corpus sterni) Xiphoid process

Question 39

the jugular (suprasternal) notch is located where?

Answer 39

concavity on the superior border of the manubrium

Question 40

here is the clavicular notch located?

Answer 40

concave facet surface lateral to the jugular notch | on the manubrium

Question 41

where is costal notch 1 located?

Answer 41

on the manubrium, it lies immediately inferior and lateral to the clavicular notch

Question 42

where is costal notch 2?

Answer 42

lies at the inferior-lateral margin of the manubrium, where the manubrium joins the body

Question 43

what are the sternebrae?

Answer 43

individual segments, typically fused together

Question 44

how many sternebrae are tehre?

Answer 44

4

Question 45

what are the transverse lines?

Answer 45

line between the individual sternebrae

Question 46

where are costal notches 3-7 found?

Answer 46

found on the lateral margin of sternebrae 1-4

Question 47

where specifically is costal notch 7?

Answer 47

lies at the inferior-lateral margin of the body, where the body joins with the xiphoid process

Question 48

where is the xiphoid process (ensiform process or metasternum)?

Answer 48

most inferior segment of the sternum